src/SketcherPrs/SketcherPrs_Tangent.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        SketcherPrs_Tangent.cpp
   4 // Created:     16 February 2015
   5 // Author:      Vitaly SMETANNIKOV
   6
   7 #include "SketcherPrs_Tangent.h"
   8 #include "SketcherPrs_Tools.h"
   9 #include "SketcherPrs_PositionMgr.h"
  10
  11 #include <GeomAPI_Curve.h>
  12
  13 #include <SketchPlugin_Constraint.h>
  14
  15 #include <GeomAdaptor_Curve.hxx>
  16 #include <Prs3d_Root.hxx>
  17 #include <Graphic3d_AspectLine3d.hxx>
  18 #include <StdPrs_DeflectionCurve.hxx>
  19
  20
  21 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_Tangent, SketcherPrs_SymbolPrs);
  22
  23 static Handle(Image_AlienPixMap) MyPixMap;
  24
  25 SketcherPrs_Tangent::SketcherPrs_Tangent(ModelAPI_Feature* theConstraint,
  26                                            const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  27  : SketcherPrs_SymbolPrs(theConstraint, thePlane)
  28 {
  29 }
  30
  31 bool SketcherPrs_Tangent::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
  32                                            const std::shared_ptr<GeomAPI_Ax3>&/* thePlane*/)
  33 {
  34   bool aReadyToDisplay = false;
  35
  36   ObjectPtr aObj1 =
  37     SketcherPrs_Tools::getResult(theConstraint, SketchPlugin_Constraint::ENTITY_A());
  38   ObjectPtr aObj2 =
  39     SketcherPrs_Tools::getResult(theConstraint, SketchPlugin_Constraint::ENTITY_B());
  40
  41   aReadyToDisplay = SketcherPrs_Tools::getShape(aObj1).get() != NULL &&
  42                     SketcherPrs_Tools::getShape(aObj2).get() != NULL;
  43
  44   return aReadyToDisplay;
  45 }
  46
  47 bool SketcherPrs_Tangent::updateIfReadyToDisplay(double theStep, bool withColor) const
  48 {
  49   if (!IsReadyToDisplay(myConstraint, myPlane))
  50     return false;
  51
  52   ObjectPtr aObj1 =
  53     SketcherPrs_Tools::getResult(myConstraint, SketchPlugin_Constraint::ENTITY_A());
  54   ObjectPtr aObj2 =
  55     SketcherPrs_Tools::getResult(myConstraint, SketchPlugin_Constraint::ENTITY_B());
  56
  57   // Compute points coordinates
  58   SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
  59   gp_Pnt aP1 = aMgr->getPosition(aObj1, this, theStep);
  60   gp_Pnt aP2 = aMgr->getPosition(aObj2, this, theStep);
  61   myPntArray = new Graphic3d_ArrayOfPoints(2, withColor);
  62   myPntArray->AddVertex(aP1);
  63   myPntArray->AddVertex(aP2);
  64   return true;
  65 }
  66
  67 void SketcherPrs_Tangent::drawLines(const Handle(Prs3d_Presentation)& thePrs,
  68                                     Quantity_Color theColor) const
  69 {
  70   Handle(Graphic3d_Group) aGroup = Prs3d_Root::NewGroup(thePrs);
  71
  72   Handle(Graphic3d_AspectLine3d) aLineAspect =
  73     new Graphic3d_AspectLine3d(theColor, Aspect_TOL_SOLID, 2);
  74   aGroup->SetPrimitivesAspect(aLineAspect);
  75
  76   ObjectPtr aObj1 = SketcherPrs_Tools::getResult(myConstraint, SketchPlugin_Constraint::ENTITY_A());
  77   ObjectPtr aObj2 = SketcherPrs_Tools::getResult(myConstraint, SketchPlugin_Constraint::ENTITY_B());
  78
  79   std::shared_ptr<GeomAPI_Shape> aShape1 = SketcherPrs_Tools::getShape(aObj1);
  80   std::shared_ptr<GeomAPI_Shape> aShape2 = SketcherPrs_Tools::getShape(aObj2);
  81
  82   if ((aShape1.get() == NULL) || (aShape2.get() == NULL))
  83     return;
  84   drawShape(aShape1, thePrs);
  85   drawShape(aShape2, thePrs);
  86 }
  87